.slider {
  width: 100%;
  height: 100px;
  position: relative;
  display: flex;
  align-items: center;
  &-ball {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    z-index: 99;
    background-color: #fff;
    transition: all 0.1s;
    &:hover {
      background-color: $blue;
    }
  }
  &-block {
    width: 100%;
    height: 5px;
    background-color: #333;
    border-radius: 5px;
  }
}
